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01_​Data_​Access

Data Access

Exercise 1 for the KNIME Analytics Platform for Data Wranglers course
- Import data from different file formats (csv, table, xls)
- Import data from SQLite database

Exercise 1: Data AccessIn this exercise you access data available in different file types. The data that you read in this exercise is stored in the "data" folder. 1) Access the data coming from two customer information systems in .table and .csv formats 1.1 Read the file CustomerInfoSystem1.csv (File Reader node) 1.2 Read the file CustomerInfoSystem2.table (Table Reader node) 2) Access the data on online orders and product prizes stored on a database 2.1 Connect to the Transactions.sqlite database (SQLite Connector node) 2.2 Select the "TransactionsOnline" table on the database (DB Table Selector node) 2.3 Select the "ProductNrAndPrize" table on the database (DB Table Selector node) 2.4 Read the "ProductNrAndPrize" into KNIME (DB Reader) Optional3) Access the data on onsite purchases and the locations of the stores in .xlsx and .table formats 3.1 Read the file Stores.xlsx (Excel Reader (XLS) node) 3.2 Read the file TransactionsStore.table (Table Reader node) Exercise 1: Data AccessIn this exercise you access data available in different file types. The data that you read in this exercise is stored in the "data" folder. 1) Access the data coming from two customer information systems in .table and .csv formats 1.1 Read the file CustomerInfoSystem1.csv (File Reader node) 1.2 Read the file CustomerInfoSystem2.table (Table Reader node) 2) Access the data on online orders and product prizes stored on a database 2.1 Connect to the Transactions.sqlite database (SQLite Connector node) 2.2 Select the "TransactionsOnline" table on the database (DB Table Selector node) 2.3 Select the "ProductNrAndPrize" table on the database (DB Table Selector node) 2.4 Read the "ProductNrAndPrize" into KNIME (DB Reader) Optional3) Access the data on onsite purchases and the locations of the stores in .xlsx and .table formats 3.1 Read the file Stores.xlsx (Excel Reader (XLS) node) 3.2 Read the file TransactionsStore.table (Table Reader node)

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Created by: Maarit Laukkanen
Created at: 2019-10-18
On NodePit since: 2021-11-16
Last update: 2026-01-08
Created with KNIME version: v4.1.0
Tags: ETLreadcsvtableexcelSQLitedatabasedata accesseducation

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